improved and moved command object up to clsql (out of cl-postgres-socket3)

[clsql.git] / sql / fddl.lisp

diff --git a/sql/fddl.lisp b/sql/fddl.lisp
index 47323c344612b8711e175fb3c2962fba88293a0f..2c28ab2bc212884195c2059cc141cbf6d89f3023 100644 (file)
--- a/sql/fddl.lisp
+++ b/sql/fddl.lisp
@@ -1,8 +1,6 @@
 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
 ;;;; *************************************************************************
 ;;;;
-;;;; $Id$
-;;;;
 ;;;; The CLSQL Functional Data Definition Language (FDDL)
 ;;;; including functions for schema manipulation. Currently supported
 ;;;; SQL objects include tables, views, indexes, attributes and
@@ -113,6 +111,13 @@ is a string denoting a user name, only tables owned by OWNER are
 listed. If OWNER is :all then all tables are listed."
   (database-list-tables database :owner owner))
 
+(defmethod %table-exists-p (name (database T) &key owner )
+  (unless database (setf database *default-database*))
+  (let ((name (database-identifier name database))
+        (tables (list-tables :owner owner :database database)))
+    (when (member name tables :test #'string-equal)
+      t)))
+
 (defun table-exists-p (name &key (owner nil) (database *default-database*))
   "Tests for the existence of an SQL table called NAME in DATABASE
 which defaults to *DEFAULT-DATABASE*. OWNER is nil by default
@@ -120,10 +125,7 @@ which means that only tables owned by users are examined. If
 OWNER is a string denoting a user name, only tables owned by
 OWNER are examined. If OWNER is :all then all tables are
 examined."
-  (when (member (database-identifier name database)
-                (list-tables :owner owner :database database)
-                :test #'string-equal)
-    t))
+  (%table-exists-p name database :owner owner))
 
 
 ;; Views
@@ -433,7 +435,7 @@ sequences are examined."
 
 (defun set-sequence-position (name position &key (database *default-database*))
   "Explicitly set the the position of the sequence called NAME in
-DATABASE, which defaults to *DEFAULT-DATABSE*, to POSITION which
+DATABASE, which defaults to *DEFAULT-DATABASE*, to POSITION which
 is returned."
   (database-set-sequence-position (database-identifier name database)
                                   position database))